125550213853 has 2 divisors, whose sum is σ = 125550213854. Its totient is φ = 125550213852.

The previous prime is 125550213823. The next prime is 125550213937. The reversal of 125550213853 is 358312055521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107582688004 + 17967525849 = 327998^2 + 134043^2 .

It is a cyclic number.

It is not a de Polignac number, because 125550213853 - 2⁵ = 125550213821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125550213823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62775106926 + 62775106927.

It is an arithmetic number, because the mean of its divisors is an integer number (62775106927).

Almost surely, 2^125550213853 is an apocalyptic number.

It is an amenable number.

125550213853 is a deficient number, since it is larger than the sum of its proper divisors (1).

125550213853 is an equidigital number, since it uses as much as digits as its factorization.

125550213853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 125550213853 in words is "one hundred twenty-five billion, five hundred fifty million, two hundred thirteen thousand, eight hundred fifty-three".